"This was a despicable incident that has left an elderly man traumatised.
"Detectives are shocked at the level of unnecessary violence the victim endured in a sustained attack in his own home and we are appealing to the community to help us find the person responsible.
"We take these types of incidents extremely seriously and urge anyone who may have seen a man acting suspiciously in the area either around the time of the incident, or in the days prior to the offence, to call us so we can take action against the offender."
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Early frost on Saturday night, then cloud and patchy light rain pull down from the NW. Winds strengthen overnight into Sunday
Serial offender Barry Dyson 39, hid the mirror in his rucksack and took it out to prey on women as they shopped in a city centre store.
Christmas Eve night could be rather frosty, and Christmas Day itself looks like being cold and clear, mainly dry and sunny